计算:(1)(5+6)(52-23)=______;(2)(2+3)(3-2)= 发布时间:2017-05-13 16:18 │ 来源:www.tikuol.com 题型:填空题 问题: 计算:(1)(5+6)(52-23)=______;(2)(2+3)(3-2)=______.